Knitting-machine dial mounting



Jan. 2, 1923.

' R. W. SCOTTv KNITTING MACHINE DIAL MOUNTING.

FILED MAR. 4. 1920.

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Patented den... 2, i923.

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ROBEET \V. SCOTT, G15 BABYLON, NEl/V YORK, ASSIGNOR TO SCOTT AND WILLIAMS,

INCORBOBLlT-ED, OF NEW YOBK, N. Y.,

A; GQBFPOBJATIUN: OF MASSACHUSETTS.

IZNITI'ING'MA CHINE DIAL MOUNTING.

Application filed. March 4, 1920; Serial are. 363,136.

To all "whom it may concern:

Be it known that I, nema- Vil. Soon, a citizen of the United States 01 America, residingin Babylon, in the county of Suffolk, in the State' of New York, have invented certainnew and useful Improvements in Knittin g -Machine; Dial lilountings. of which the. following is a specification.

My invention relates to knitting machines of that class in which. an instrument carrying dial is supported on the lower end of a spindle andthe-object of my invention is to provide an improved means of securing; the dial to the spindle so that when in position the dialiwill be firmlysecuredto the spindle iira definite position and yet can be readily removed and correctly replaced by an unskilled operator.

My invention is particularly useful in. knitting: machines of the type illustrated in my Patent No. 1,282,958, dated October 29, 1,918, and in which a vertical spindle earriec a horizontal dial with a series of radialb movable knitting instruments. The spindle and dial are mounted in a frame, hinged on a pivot at the rear of the machine, so that the dial can be swung up from its working position. Whether such a machine is used for knitting inturned welts or for making ribbed fabric and chan from ribbed knit-ting to plain knitting, it is desiraliile that the operator shall be able to remove the dial from its spindle-when it thus has been swung; up from working position, in order that the instruments carried by the dial can v be inspected and broken parts removed.

Heretofore the practice. has been to use a dial with a hub on its lower face and to secure the dial to its carrying spindle by a tapering cross-pin driven through holes in the hub and spindle. The ordinary operator is not skilled enough to be reli d on to drive out tlns pin with a punch and then attach the dial in its proper position with the dial in exact register with the cylinder. In addition the hub projecting on the lower face of the dial was liable to interfere with the yarn floated under it at each revolution in certain operations. It may be mentioned that the transfer bits or needles, as the case may be, which are carried by the dial are frictionally held in the radial grooves in the dial either by being slightly bent or by being provided with resilient tails, so that it the dial Were readily removable from its spindle, it could be handled with safety by an unskilled operator while an examination wa replaced;

In the accompanying drawing Fig. l. a vertical section illustrating my iniproven'ient 1 Fig.2 is a view partly in section, showing the dial detached froni its spindle;

Fig. 3 is an underside view of the dial. ln ny improvement, the dial A is pro vided with a hub B projecting on its upper side, instead of its underside This hub is of a diameter to fit snugly" within the lower part of the bearing" C for the spindle D. The lower end (Z of th'e' usual spindle Dis reduced to about half its diameter and is boredout at its end and threadedtoreceive a screw E. The hub is made with. an interior diameter to fit snugly onto the reduced end of the spindle D, and the hub is also provided with a key or like projection I). The shaft immediately above its re duced end is provided with a keyway d into which the key I) will lit with accuracy.

A screw hole 00 is tapped into the underside of the dial of a size to receive the screw E to the extent of a few turns.

When it is necessary to remove the dial from its spindle for purposes such as already mentioned, the dial frame is first swung up on its hinge out of working posi tion and with its underside exposed. Then by means oil an ordinary screw-driver, the screw E, which has held the dial securely in, position on the spindle, is removed and then introduced for a few threads into the hole The screw thus affords the operator a handle by which the dial may conveniently be pulled off the end of the spindle. lVhenever it is necessary to put the dial back on the spindle, the key 6 and key-way cl insure an accurate positioning of the dial in correct register with the cylinder. The construction described inclcses the joints within the bearingc and so protects them from lint or dirt, which would tend to throw the parts out of proper relation to each other.

The dial A is preferably made separat from the hub B and the two may be secured together by rivets c. There are two advantages in making dial and hub separate. In the first place the dial part is precisely the same a in existing dials, which have hubs being made or broken parts were being on the umier face. and the new hub B being of the same i'lianieter as the spindle D which iorinerly entered a. corresponding opening on the upper face oi the dial. it is only necessarv to remove the old hub from the underside of the old dial and c'onnterbore the under "face oi the dial to receive the flange of the new hub 13. which can then be rivoted or otherwise secured to thedial to complete the converse side.

In making a dial with hub of the old construction. it was necessary to use a drop forging. whereas in makin the dial of my described construction. the dial portion may be formed. by punching or the flat circular pieces may he cut froma bar 01: steel.

1 claim my invention:

1.. A knitting machine having an instrument dial. a carrying spindle for the dial and means to secure the dial to the spindle with ready detachability, the dial being free from projections on its underside. so as not to interfere with floated yarns, as and for the purpose described.

2. A knitting machine having an instrir Inent dial free from projections on its underside, so as not to interfere with floated yarns, and a hub on its upper face in combination with a spindle to which the dial is (let achably secured.

3. knitting machine having an instrument dial with a hub projectingon its up per :lace and free from projections on its 111l-- derside so as not to interfere with floated yarns. in combination with 21v spindle to \Yl'llC-ll the dial is (letachahly secured with akey joint.

4:. A knittim machine having a dial with a hub projecting on ts upper face in combination with a spindle to which the dial is detachably secured and a bearing for the spindle covering the joint between the hub and spindle.

5. A knitting; machine having: a dial with a hub projecting on its upper face in combination with a carrying spindle having), a reduced end onto which said hub is sleeved with a key joint. and a securing; screw detachahly holding the dial and hub to the spindle.

6. A knitting machine having a dial in combination with a carrying spindle, to the end of which the dial is secured by a screw. the dial. having on its under face a separate tapped hole to receive said securing screw, which can then serve as a handle to remove the dial from the spindle.

In testimony whereof I have signed my name to this specification.

ROBERT lV. SCOTT. 

